diff --git a/src/Migration/Migration1575569953createTable.php b/src/Migration/Migration1575569953createTable.php
index 71e2a4a..0422cd8 100644
--- a/src/Migration/Migration1575569953createTable.php
+++ b/src/Migration/Migration1575569953createTable.php
@@ -16,7 +16,7 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
-        $connection->executeStatement('CREATE TABLE `frosh_mail_archive` (
+        $connection->executeStatement('CREATE TABLE IF NOT EXISTS `frosh_mail_archive` (
     `id` BINARY(16) NOT NULL,
     `sender` VARCHAR(255) NOT NULL,
     `receiver` JSON NOT NULL,
diff --git a/src/Migration/Migration1690743548AddEmlPath.php b/src/Migration/Migration1690743548AddEmlPath.php
index d8b03eb..5c24b06 100644
--- a/src/Migration/Migration1690743548AddEmlPath.php
+++ b/src/Migration/Migration1690743548AddEmlPath.php
@@ -16,6 +16,9 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
+        if ($this->columnExists($connection, 'frosh_mail_archive', 'eml_path')) {
+            return;
+        }
         $connection->executeStatement('ALTER TABLE `frosh_mail_archive`
                                             ADD `eml_path` varchar(2048) NULL;');
     }
diff --git a/src/Migration/Migration1691326842Attachment.php b/src/Migration/Migration1691326842Attachment.php
index 0c77ad3..ed61e73 100644
--- a/src/Migration/Migration1691326842Attachment.php
+++ b/src/Migration/Migration1691326842Attachment.php
@@ -16,7 +16,7 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
-        $connection->executeStatement('CREATE TABLE `frosh_mail_archive_attachment` (
+        $connection->executeStatement('CREATE TABLE IF NOT EXISTS `frosh_mail_archive_attachment` (
     `id` BINARY(16) NOT NULL,
     `mail_archive_id` BINARY(16) NULL,
     `file_name` VARCHAR(255) NOT NULL,
diff --git a/src/Migration/Migration1694604822AddSourceMailId.php b/src/Migration/Migration1694604822AddSourceMailId.php
index 2a8d8cd..84d50ec 100644
--- a/src/Migration/Migration1694604822AddSourceMailId.php
+++ b/src/Migration/Migration1694604822AddSourceMailId.php
@@ -16,6 +16,9 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
+        if ($this->columnExists($connection, 'frosh_mail_archive', 'source_mail_id')) {
+            return;
+        }
         $connection->executeStatement('ALTER TABLE `frosh_mail_archive` ADD `source_mail_id` BINARY(16) NULL;');
     }
 
diff --git a/src/Migration/Migration1694714751TransportInfo.php b/src/Migration/Migration1694714751TransportInfo.php
index 4232b63..f862490 100644
--- a/src/Migration/Migration1694714751TransportInfo.php
+++ b/src/Migration/Migration1694714751TransportInfo.php
@@ -16,6 +16,9 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
+        if ($this->columnExists($connection, 'frosh_mail_archive', 'transport_state')) {
+            return;
+        }
         $connection->executeStatement('ALTER TABLE `frosh_mail_archive` ADD `transport_state` VARCHAR(255) NULL;');
     }
 
diff --git a/src/Migration/Migration1739730285AddOrderId.php b/src/Migration/Migration1739730285AddOrderId.php
index 90562bd..6fd7f8d 100644
--- a/src/Migration/Migration1739730285AddOrderId.php
+++ b/src/Migration/Migration1739730285AddOrderId.php
@@ -16,12 +16,17 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
-        $connection->executeStatement('
-            ALTER TABLE `frosh_mail_archive`
-            ADD COLUMN `order_id` BINARY(16) NULL,
-            ADD COLUMN `order_version_id` BINARY(16) NULL
-            ;
-        ');
+        if (!$this->columnExists($connection, 'frosh_mail_archive', 'order_id')) {
+            $connection->executeStatement('
+                ALTER TABLE `frosh_mail_archive` ADD COLUMN `order_id` BINARY(16) NULL;
+            ');
+        }
+
+        if (!$this->columnExists($connection, 'frosh_mail_archive', 'order_version_id')) {
+            $connection->executeStatement('
+                ALTER TABLE `frosh_mail_archive` ADD COLUMN `order_version_id` BINARY(16) NULL;
+            ');
+        }
     }
 
     public function updateDestructive(Connection $connection): void
diff --git a/src/Migration/Migration1739741754AddFlowId.php b/src/Migration/Migration1739741754AddFlowId.php
index db91148..ff3462b 100644
--- a/src/Migration/Migration1739741754AddFlowId.php
+++ b/src/Migration/Migration1739741754AddFlowId.php
@@ -16,6 +16,9 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
+        if ($this->columnExists($connection, 'frosh_mail_archive', 'flow_id')) {
+            return;
+        }
         $connection->executeStatement('
             ALTER TABLE `frosh_mail_archive`
             ADD COLUMN `flow_id` BINARY(16) NULL;');
diff --git a/src/Migration/Migration1770821445AddMailTemplateId.php b/src/Migration/Migration1770821445AddMailTemplateId.php
index e174808..3894d96 100644
--- a/src/Migration/Migration1770821445AddMailTemplateId.php
+++ b/src/Migration/Migration1770821445AddMailTemplateId.php
@@ -16,6 +16,9 @@ public function getCreationTimestamp(): int
 
     public function update(Connection $connection): void
     {
+        if ($this->columnExists($connection, 'frosh_mail_archive', 'mail_template_id')) {
+            return;
+        }
         $connection->executeStatement('ALTER TABLE `frosh_mail_archive` ADD COLUMN `mail_template_id` BINARY(16) NULL');
     }